Naming and coding style convention, new linter tool. (#945)

* Makefile, Scripts: new linter
* About: remove ID from IC
* Firmware: remove double define for DIVC/DIVR
* Scripts: check folder names too. Docker: replace syntax check with make lint.
* Reformat Sources and Migrate to new file naming convention
* Docker: symlink clang-format-12 to clang-format
* Add coding style guide

firmware/targets/f6/ble_glue/ble_glue.h

@@ -0,0 +1,50 @@
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <shci/shci.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void (
+    *BleGlueKeyStorageChangedCallback)(uint8_t* change_addr_start, uint16_t size, void* context);
+
+/** Initialize start core2 and initialize transport */
+void ble_glue_init();
+
+/** Start Core2 Radio stack
+ *
+ * @return     true on success
+ */
+bool ble_glue_start();
+
+/** Is core2 alive and at least FUS is running
+ * 
+ * @return     true if core2 is alive
+ */
+bool ble_glue_is_alive();
+
+bool ble_glue_wait_for_fus_start(WirelessFwInfo_t* info);
+
+/** Is core2 radio stack present and ready
+ *
+ * @return     true if present and ready
+ */
+bool ble_glue_is_radio_stack_ready();
+
+/** Set callback for NVM in RAM changes
+ *
+ * @param[in]  callback  The callback to call on NVM change
+ * @param      context   The context for callback
+ */
+void ble_glue_set_key_storage_changed_callback(
+    BleGlueKeyStorageChangedCallback callback,
+    void* context);
+
+void ble_glue_thread_stop();
+
+#ifdef __cplusplus
+}
+#endif